Technical note: Effect of partial composite action on the dynamical properties of timber floor

Architecture, Structures and Construction Pub Date : 2025-12-01 DOI:10.1007/s44150-025-00182-y

Osama A. B. Hassan

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Abstract

This study is aimed at investigating the effect of partial composite action between floorboards and joists on the dynamic properties of timber floor system: natural frequency, velocity and deflection due to footfall vibrations. The results are compared with the results of two cases: floor system with full composite action and floor system with non-composite action. It is shown that span length of the joists and spacing between the fasteners are the two main factors that affect the dynamic properties of floor system with partial composite action. As the floor span length increases, and spacing between fasteners decreases, the results of dynamic properties of floor system with partial composite action will approach the results of floor system with full composite action. On the other hand, as the span length decreases and spacing between nails increases, the results of floor system with partial composite action will approach the results of floor system with non-composite action.

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技术说明：部分复合作用对木地板动力性能的影响

本研究旨在探讨地板和托梁之间的部分复合作用对木地板系统动态特性的影响：固有频率，速度和由于行人振动引起的挠度。将计算结果与完全复合作用楼板体系和非复合作用楼板体系两种情况的计算结果进行了比较。结果表明，梁跨长度和扣件间距是影响局部复合作用下楼盖体系动力性能的两个主要因素。随着楼板跨距的增大和扣件间距的减小，部分复合作用下楼板体系的动力性能计算结果将接近完全复合作用下楼板体系的动力性能计算结果。另一方面，随着跨长的减小和钉间距的增大，部分复合作用下楼盖体系的计算结果将接近于非复合作用下楼盖体系的计算结果。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Architecture, Structures and Construction

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